[V8] white mist from exhaust

[Buchholz, Steven]

One of the byproducts of the combustion process is H2O ... it is not
uncommon to see an engine emitting steam or even liquid water when it is
cold ...

Steve B
San Jose, CA (USA)
> 
> Ok guys, here's another question.  Upon cold start-up, the 
> exhaust emits a steamy-looking exhaust.  Obviously not water 
> from engine, cause I don't lose any.  Is this just normal, 
> heating up of the cats/muffler/exhaust system?  It stops 
> doing it on warm-up AFAIK.